Tumor organoids to study gastroesophageal cancer: A primer

Ramon U. Jin, Jason C. Mills

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations


Gastroesophageal cancers are leading causes of cancer death. Our attempts at adopting molecularly based treatment approaches have been slow and ineffective even though we begin to identify specific targetable gene mutations and pathways. It is clear that we should no longer treat all gastroesophageal cancers as a homogeneous disease, which is what we do when we use nonspecific chemotherapy. However, we currently cannot monitor successful gene/pathway targeting, nor understand how/when tumors develop resistance, nor predict which patients will derive maximal benefit. To improve outcomes, we must precisely detail the heterogeneity of these tumors to then individualize cancer therapy as well as develop novel avenues to study and predict treatment effects in individual patients. To this end, patient-derived organoids, in which tumor cells from individual patients are grown in a Petri dish, are a new versatile system that allows for timely expandability, detailed molecular characterization, and genetic manipulation with the promise of enabling predictive assessment of treatment response. In this review, we will explore the development and basic techniques for organoid generation, and discuss the current and potential future applications of this exciting technology to study the basic science of carcinogenesis and to predict/guide cancer patient care in the clinics.

Original languageEnglish
Pages (from-to)593-606
Number of pages14
JournalJournal of Molecular Cell Biology
Issue number8
StatePublished - Aug 1 2020


  • Cancer evolution
  • Cancer model
  • Personalized medicine
  • Precision oncology
  • Targeted therapy
  • Tumor heterogeneity


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